Stainless Steel Pipe Welding

In this video rob will show you how to weld stainless steel pipe.

Stainless steel pipe welding.

Press these fittings onto stainless steel pipe using a crimping tool for a permanent leak tight connection that s faster than threading or welding and doesn t require heat. Then join the steel together through mig or tig welding. Welding stainless steel tube and pipe traditionally requires a back purge of argon. In metallurgy stainless steel also known as inox steel or inox from french inoxydable.

The form of welded joints is. The pipe diameter is φ5 to 50 mm and the wall thickness is δ0 3 to 1 0 mm. Schedule 10 stainless steel unthreaded pipe offers an economical alternative for lower pressure applications and can be used with butt weld or 150 lb. 4 stainless steel welding characteristics by definition stainless steels are iron base alloys containing 10 or more chromium which imparts to the metal the.

Welding is a way to combine pieces of stainless steel together for repair work and even craft projects. Welding techniques for thin walled stainless steel tubes. I am going to buy a 2 lb spool of 308l ss wire about 20 and use one of my wire welders miller 251 miller vintage hobart 140 to weld it up instead of using the stupid clamps. To begin a weld set the steel in place over a welding table using clamps and jigs.

Use with stainless steel butt weld fittings for applications with air water oil natural gas and steam. The thin walled stainless steel tubing generally means. Thin tube and thin tube welding thin tube and thick tube welding including tube cross welding and concentric welding the most difficult to weld problem is easy to burn. For welding a carbon steel valve or bracket to an austenitic stainless steel tube or pipe a common industry practice a 309 grade filler metal should be used.

In non critical applications where cost is a driving factor nitrogen can also be used as a back purge but it may lead to the formation of some nitride compounds in the weld root which sacrifices some corrosion resistance.